CN106048490A - Ni60A-TiO2-Fe nano-coating and preparation method thereof - Google Patents
Ni60A-TiO2-Fe nano-coating and preparation method thereof Download PDFInfo
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- CN106048490A CN106048490A CN201610662353.7A CN201610662353A CN106048490A CN 106048490 A CN106048490 A CN 106048490A CN 201610662353 A CN201610662353 A CN 201610662353A CN 106048490 A CN106048490 A CN 106048490A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention relates to a Ni60A-TiO2-Fe nano-coating and a preparation method thereof. The Ni60A-TiO2-Fe nano-coating comprises, by mass, 10 to 25 parts of Ni60A, 45 to 68 parts of TiO2, 23 to 34 parts of Fe and 1.42 parts of a trace element. The preparation method comprises the following steps: (1) preparing Ni60A-TiO2-Fe nanospheres by using a dry grinding method; (2) mixing the prepared nanospheres with Cr, Si, B and Cu by using a surfactant protection method so as to obtain nano-powder; and (3) spraying the mixed nano-powder prepared in the step (2) onto the surface of a 3Cr2Mo die steel matrix by using a plasma spraying process so as to prepare the Ni60A-TiO2-Fe nano-coating. The Ni60A-TiO2-Fe nano-coating and the preparation method thereof in the invention overcome the problems of poor wear resistance and low corrosion resistance of conventional tungsten carbide coatings, improve the microstructure and structure of a coating on the surface of a material and enhance the wear resistance of the surface of the material.
Description
Technical field
The present invention relates to thermal spraying material technical field, a kind of Ni60A-TiO2-Fe nano coating and system thereof
Preparation Method.
Background technology
Thermal spraying is a kind of surface strengthening technology, is the important component part of surface engineering technology, always China's emphasis
The new technique project promoted.It is to utilize certain thermal source (such as electric arc, plasma spraying or combustion flame etc.) by powder or silk
The metal of shape or nonmetallic materials are heated to melted or semi-molten state, then stay itself or compressed air with a constant speed by flame
Degree is ejected into pretreated matrix surface, deposits and forms a kind of technology of the face coat with various function.
Along with the progress of spraying technology, equipment is the most advanced, and quality is more and more higher, and the development of existing sprayed on material is the most stagnant
After, it is impossible to give full play to the use potentiality of spraying equipment, need the material prescription that coating quality is more excellent in extreme circumstances,
Under the use standard that equipment can reach, new material and the spraying of more scientific and reasonable proportioning is used to have more excellent physical
The coating of performance becomes one of research direction.
Summary of the invention
Poor in order to solve conventional coatings wearability, the problems such as hardness is relatively low, the present invention provides a kind of Ni60A-TiO2-Fe
Nano coating and preparation method thereof.
The technical problem to be solved realizes by the following technical solutions:
A kind of Ni60A-TiO2-Fe nano coating, the mass fraction of its component and each component be Ni60A account for 10-25 part,
TiO2Account for 45-68 part, Fe accounts for 23-34 part, trace element accounts for 1.42 parts.
Described trace element is Cr, Si, B and Cu, and Cr, Si, B and Cu mass proportioning is 35:63:46:50.
A kind of Ni60A-TiO2The preparation method of-Fe nano coating, comprises the following steps:
(1) dry type comminuting method is used to prepare Ni60A-TiO2The nanosphere of-Fe.
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing Cr, Si, B and Cu prepare nanometer
Powder.
(3) plasma spray coating process is used to prepare Ni60A-on iron-base part surface in the mixture prepared in step (2)
TiO2-Fe nano coating.
The invention has the beneficial effects as follows: the present invention solves that existing tungsten carbide coating wearability is poor, corrosion resistance is relatively low
Problem, improve the microstructure of material surface coating, structure, be integrally improved the anti-wear performance of material surface, also to carrying
High comprehensive mechanical property.
Detailed description of the invention
In order to make technological means that the present invention realizes and creation characteristic be easy to understand, below the present invention is explained further
State.
Embodiment one:
A kind of Ni60A-TiO2-Fe nano coating, the mass fraction of its component and each component is that Ni60A accounts for 10 parts, TiO2Account for
45 parts, Fe account for 23 parts, trace element account for 1.42 parts.
Described trace element is Cr, Si, B and Cu, and Cr, Si, B and Cu mass proportioning is 35:63:46:50.
A kind of Ni60A-TiO2The preparation method of-Fe nano coating, comprises the following steps:
(1) dry type comminuting method is used to prepare Ni60A-TiO2The nanosphere of-Fe；
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing Cr, Si, B and Cu prepare nanometer
Powder；
(3) plasma spray coating process is used to prepare Ni60A-on iron-base part surface in the mixture prepared in step (2)
TiO2Nano coating.
Embodiment two:
A kind of Ni60A-TiO2-Fe nano coating, the mass fraction of its component and each component is that Ni60A accounts for 25 parts, TiO2Account for
68 parts, Fe account for 34 parts, trace element account for 1.42 parts.
Described trace element is Cr, Si, B and Cu, and Cr, Si, B and Cu mass proportioning is 35:63:46:50.
A kind of Ni60A-TiO2The preparation method of-Fe nano coating is identical with embodiment one.
Embodiment three:
A kind of Ni60A-TiO2-Fe nano coating, the mass fraction of its component and each component is that Ni60A accounts for 15 parts, TiO2Account for
58 parts, Fe account for 30 parts, trace element account for 1.42 parts.
Described trace element is Cr, Si, B and Cu, and Cr, Si, B and Cu mass proportioning is 35:63:46:50.
A kind of Ni60A-TiO2The preparation method of-Fe nano coating is identical with embodiment one.
Supersonic spray coating technology is used to prepare Ni60A-TiO on 3Cr2Mo mould steel matrix2-Fe nano coating, with
The matrix of described coating and the bond strength of matrix, microhardness, the porosity and the abrasive wear resistance without described coating
Contrast and experiment is shown in Table 1:
Table 1 Ni60A-TiO2-Fe nano coating with without coating 3Cr2Mo mould steel matrix contrast and experiment:
| Experimental group is numbered | Porosity (AREA%) | Bond strength (MPa) | Microhardness (HV) |
| 1 | 0.441 | 67.2 | 917 |
| 2 | 0.438 | 66.1 | 958 |
| 3 | 0.482 | 69.5 | 934 |
| Meansigma methods | 0.454 | 67.6 | 936 |
| Contrast groups | 0.573 | 62.2 | 892 |
Plasma spraying technology is used to prepare Ni60A-TiO on 3Cr2Mo mould steel matrix2-Fe coating, with described
The matrix of coating and the wear extent contrast and experiment of matrix without described coating are shown in Table 2:
Table 2 Ni60A-TiO2-Fe nano coating and the wear extent contrast and experiment of 3Cr2Mo mould steel matrix:
| Experimental group is numbered | Before abrasion (g) | After abrasion (g) | Wear extent (g) |
| 1 | 58.1452 | 58.1415 | 0.0037 |
| 2 | 58.2854 | 58.2817 | 0.0037 |
| 3 | 58.9471 | 58.9446 | 0.0025 |
| Contrast groups | 58.6968 | 58.6904 | 0.0064 |
From Tables 1 and 2, Ni60A-TiO2The excellent combination property of-Fe nano coating, wearability is good.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these change and
Improvement both falls within scope of the claimed invention.Claimed scope is by appending claims and equivalence thereof
Thing defines.
Claims (2)
1. a Ni60A-TiO2-Fe nano coating, it is characterised in that: the mass fraction of its component and each component is that Ni60A accounts for
10-25 part, TiO2Account for 45-68 part, Fe accounts for 23-34 part, trace element accounts for 1.42 parts；
Described trace element is Cr, Si, B and Cu, and Cr, Si, B and Cu mass proportioning is 35:63:46:50.
2. a Ni60A-TiO2The preparation method of-Fe nano coating, it is characterised in that: comprise the following steps:
(1) dry type comminuting method is used to prepare Ni60A-TiO2The nanosphere of-Fe；
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing Cr, Si, B and Cu prepare nano powder
End；
(3) plasma spray coating process is used to prepare at 3Cr2Mo mould steel matrix surface in the mixture prepared in step (2)
Ni60A-TiO2-Fe nano coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662353.7A CN106048490A (en) | 2016-08-13 | 2016-08-13 | Ni60A-TiO2-Fe nano-coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662353.7A CN106048490A (en) | 2016-08-13 | 2016-08-13 | Ni60A-TiO2-Fe nano-coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106048490A true CN106048490A (en) | 2016-10-26 |
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|---|---|---|---|
| CN201610662353.7A Withdrawn CN106048490A (en) | 2016-08-13 | 2016-08-13 | Ni60A-TiO2-Fe nano-coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560578A (en) * | 2020-06-28 | 2020-08-21 | 沈阳理工大学 | Method for improving wear resistance of tin-based babbit alloy |
-
2016
- 2016-08-13 CN CN201610662353.7A patent/CN106048490A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560578A (en) * | 2020-06-28 | 2020-08-21 | 沈阳理工大学 | Method for improving wear resistance of tin-based babbit alloy |
| CN111560578B (en) * | 2020-06-28 | 2022-06-10 | 沈阳理工大学 | Method for improving wear resistance of tin-based babbit alloy |
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Application publication date: 20161026 |